1 files changed, 48 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/native/api/ssl_certificate_verifier.mm b/third_party/libwebrtc/sdk/objc/native/api/ssl_certificate_verifier.mm
new file mode 100644
index 0000000000..4437402b9c
--- /dev/null
+++ b/third_party/libwebrtc/sdk/objc/native/api/ssl_certificate_verifier.mm
@@ -0,0 +1,48 @@
+/*
+ *  Copyright 2022 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#import "ssl_certificate_verifier.h"
+
+#include "rtc_base/buffer.h"
+
+namespace {
+
+class SSLCertificateVerifierAdapter final : public rtc::SSLCertificateVerifier {
+ public:
+  SSLCertificateVerifierAdapter(
+      id<RTC_OBJC_TYPE(RTCSSLCertificateVerifier)> objc_certificate_verifier)
+      : objc_certificate_verifier_(objc_certificate_verifier) {
+    RTC_DCHECK(objc_certificate_verifier_ != nil);
+  }
+
+  bool Verify(const rtc::SSLCertificate& certificate) override {
+    @autoreleasepool {
+      rtc::Buffer der_buffer;
+      certificate.ToDER(&der_buffer);
+      NSData* serialized_certificate = [[NSData alloc] initWithBytes:der_buffer.data()
+                                                              length:der_buffer.size()];
+      return [objc_certificate_verifier_ verify:serialized_certificate];
+    }
+  }
+
+ private:
+  id<RTC_OBJC_TYPE(RTCSSLCertificateVerifier)> objc_certificate_verifier_;
+};
+
+}
+
+namespace webrtc {
+
+std::unique_ptr<rtc::SSLCertificateVerifier> ObjCToNativeCertificateVerifier(
+    id<RTC_OBJC_TYPE(RTCSSLCertificateVerifier)> objc_certificate_verifier) {
+  return std::make_unique<SSLCertificateVerifierAdapter>(objc_certificate_verifier);
+}
+
+}  // namespace webrtc